Home / 211,379.58-317,058.36-53,609.40

Finding the Fourth Proportional to 211,379.58, 317,058.36 and 53,609.40

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Solution

The fourth proportional to 211,379.58, 317,058.36 and 53,609.40 is: 80,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,379.58 : 317,058.36 = 53,609.40 : x
  2. Step 2: Convert to fraction form
    211,379.58/317,058.36 = 53,609.40/x
  3. Step 3: Cross multiply
    211,379.58x = 317,058.36 × 53,609.40
  4. Step 4: Simplify right side
    211,379.58x = 16,997,308,444.58
  5. Step 5: Solve for x
    x = 16,997,308,444.58/211,379.58
  6. Step 6: Final answer
    x = 80,411.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.